dropdown menu not working in safari - css

can't seem to find what the problem is. firefox works fine - but safari doesn't.
a simple css dropdown menu but in safari the dropdown drops down but as soon as you try to place the mouse on the dropped down element it goes away - only if you move your mouse extremly fast on the dropped down element it doesn't hide.
http://singknaben-v2.marknolan.ch
hover your mouse "DER CHOR" and try to navigate on a child element with safari.
i can't see what the problem is. any help appriciated...
thanks,
mark

The problem is that the element is not tall enough. The mouse stops hovering over the element before it can reach the subelements. It can be quite simply fixed by applying a "height" css style of around 30px.

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I've got a safari-specific problem with a hover effect:
When the user moves over a circle, another circle should appear over it (offset).
This works, but when the user moves his cursor off the circles, parts of the hover-circle still remain until the browser redraws the site (not sure if "redraw" is the right term) . You can do this with Cmd+A to select all text, for example. The hover--leftovers will disappear then.
I think an example shows it the best:
http://jsfiddle.net/L81h9hjr/3/
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The example works flawlessly in other browser I tested, so you need a Mac Safari (I tried 8.0.6).
This is a repaint/redraw issue with Safari / webkit (not sure why it's only on Safari and not Chrome).
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Make sure you use show(0) not just show(), for some reason plain old show() doesn't get fired without an animation argument.

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I have edited the CSS on my menu on this site:
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There is a gap between the menu and where the sub-menu appears. See Image below:
When you hover away from the menu item and the mouse is on its way to the sub-menu, the mouse ceases to be on 'hover' (while crossing over the gap) - making the sub-menu disappear.
If you can eliminate the gap (i.e. place where the sub-menu is positioned higher up the page), the 'hover' state will remain on mouse-move and the sub-menu will stay 'shown' for clicking.
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PS
posted as an answer (instead of comment) so I could include the image in my explanation.
In your show your support tag, inside add this style
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Recently I encountered a rendering issue in Webkit which I suspect to be a bug with the Webkit engine. But I am not confident enough to say so. So I would like ask here and see what you think.
It'd be a bit difficult for me to describe the case in plain text, so I prepared a snippet here:
http://jsfiddle.net/2eQXa/1/
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http://pastebin.com/i4ARX4mD
When writing this question I saw quite a number of questions regarding backface visibility. I've checked some but none of them matches my problem.
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